I'm following this guy, GhostRobo on Youtube and he just got back from Pax after listening to the Walking Dead crew there.
1/ If you think episode 3 was gut wrenching, then you haven't seen nothing yet. It's going to get DARKER!
2/ There is a scene coming up where all your past actions comes into play in an epic decision in episode 4.
3/ They got an ending in mind when they first started this game and it won't be changing.
4/ Originally, Lee was supposed to be Jim, Clem's much older brother.
5/ They worked hard to make Clem real and likable.